There are a vast number of card sleeve types that you can use
Cute cards are nice and all, but there is still a game to be played, after all
Set designers don't create cards specifically with Pauper in mind, but due to the dominance of Cranial Plating in that format, it was pretty much a known factor how problematic Cranial Ram would be if it were allowed to run free
Battle for Zendikar Limited featured powerful and large creatures, and being able to kill a seven-mana creature like [casthaven]Ruin Processor[/casthaven] or five-mana creature like [casthaven]Tajuru Pathwarden[/casthaven] for only four mana is a good trade
After listening to a wave of community feedback, Wizards has promised to create functional reprints of these cards, and to think very carefully about doing such tie-ins again
As an opponent casts a spell, throw damage at their life total based on its mana value with Refuse